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surya prasad G Asurya prasad G A 

If you're using a new DE and seeing this error, please post to the developer forums and reference error id: XMOQMQKY

Hi,


I am getting error when trying a challenge #7 for Lightning Experience Rollout Specialist as below

Challenge Not yet complete... here's what's wrong: 
There was an unexpected error while verifying this challenge. Usually this is due to some pre-existing configuration or code in the challenge Org. We recommend using a new Developer Edition (DE) to check this challenge. If you're using a new DE and seeing this error, please post to the developer forums and reference error id: XMOQMQKY


Could you please suggest ASAP?
Rahul KumarRahul Kumar (Salesforce Developers) 
Hi Surya,
Please check if you have connected to same DE org where you have done your work in the trailhead.To do this Go to Trailhead Profile -- settings -- make the DE org which you have worked as default then check the challenge.

Please refer below link how trailhead playground works.

https://force.desk.com/customer/portal/articles/2643793-trailhead-profile-signup-login-faq?b_id=13478
Hope this helps you!

Please mark it as Best Answer if my reply was helpful. It will make it available for other as the proper solution.

Thanks
Rahul Kumar